43 C.F.R. § 4.837 Testimony.
Title 43 - Public Lands: Interior
Testimony shall be given under oath by witnesses at the hearing. A witness shall be available for cross-examination, and, at the discretion of the administrative law judge, may be cross-examined without regard to the scope of direct examination as to any matter which is material to the proceeding.
Title 43: Public Lands: Interior
PART 4—DEPARTMENT HEARINGS AND APPEALS PROCEDURES
Subpart I—Special Procedural Rules Applicable to Practice and Procedure for Hearings, Decisions, and Administrative Review Under Part 17 of This Title—Nondiscrimination in Federally Assisted Programs of the Department of the Interior—Effectuation of Title VI of the Civil Rights Act of 1964
Hearing
§ 4.837 Testimony.

